In the year 1984, a rockumentary shocked the world more fundamentally than even George Orwell could have predicted. Acclaimed director Marty DiBergi followed the legendary rock band Spinal Tap on it's latest American tour and caught both the sad and bewildered face of fallen fame. What was more shocking was that the film wasn't a documentary at all, but a comedy helmed by televison actor Rob Reiner (who plays DiBergi) and a talented cast that would go on to be institutions in their own right. But does This is Spinal Tap crank it up to 11 or does it feel like cold sharp steel in the back? Eric, Kent and Jonolobster join the circus to find out...